Tool holder



FIG. 1 is an isometric view of the tool holder showing my new design,with an air line attachment shown in broken lines. The broken lineshowing of the air line attachment is for illustrative purposes only andforms no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left elevational view thereof; and,

FIG. 7 is a right elevational view thereof.

The ornamental design for a tool holder, as shown and described.